-
Notifications
You must be signed in to change notification settings - Fork 568
/
sim_msgs.go
210 lines (167 loc) · 6.64 KB
/
sim_msgs.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
package simulation
import (
"fmt"
sdk "github.com/cosmos/cosmos-sdk/types"
stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
"github.com/osmosis-labs/osmosis/osmomath"
osmosimtypes "github.com/osmosis-labs/osmosis/v20/simulation/simtypes"
valsetkeeper "github.com/osmosis-labs/osmosis/v20/x/valset-pref"
"github.com/osmosis-labs/osmosis/v20/x/valset-pref/types"
)
func RandomMsgSetValSetPreference(k valsetkeeper.Keeper, sim *osmosimtypes.SimCtx, ctx sdk.Context) (*types.MsgSetValidatorSetPreference, error) {
// Start with a weight of 1
remainingWeight := osmomath.NewDec(1)
preferences, err := GetRandomValAndWeights(ctx, k, sim, remainingWeight)
if err != nil {
return nil, err
}
return &types.MsgSetValidatorSetPreference{
Delegator: sim.RandomSimAccount().Address.String(),
Preferences: preferences,
}, nil
}
func RandomMsgDelegateToValSet(k valsetkeeper.Keeper, sim *osmosimtypes.SimCtx, ctx sdk.Context) (*types.MsgDelegateToValidatorSet, error) {
delegator := sim.RandomSimAccount()
// check if the delegator valset created
_, err := GetRandomDelegations(ctx, k, sim, delegator.Address)
if err != nil {
return nil, err
}
amount := sim.BankKeeper().GetBalance(ctx, delegator.Address, sdk.DefaultBondDenom).Amount
if !amount.IsPositive() {
return nil, fmt.Errorf("%s is not present", sdk.DefaultBondDenom)
}
rand := sim.GetRand()
delegationCoin := rand.Intn(int(amount.Int64()))
return &types.MsgDelegateToValidatorSet{
Delegator: delegator.Address.String(),
Coin: sdk.NewCoin(sdk.DefaultBondDenom, osmomath.NewInt(int64(delegationCoin))),
}, nil
}
func RandomMsgUnDelegateFromValSet(k valsetkeeper.Keeper, sim *osmosimtypes.SimCtx, ctx sdk.Context) (*types.MsgUndelegateFromValidatorSet, error) {
// random delegator account
delegator := sim.RandomSimAccount()
delAddr := delegator.Address
// get delegator valset preferences
preferences, err := k.GetDelegationPreferences(ctx, delAddr.String())
if err != nil {
return nil, fmt.Errorf("no delegations found")
}
rand := sim.GetRand()
delegation := preferences.Preferences[rand.Intn(len(preferences.Preferences))]
val, err := sdk.ValAddressFromBech32(delegation.ValOperAddress)
if err != nil {
return nil, fmt.Errorf("validator address not formatted")
}
validator, found := sim.StakingKeeper().GetValidator(ctx, val)
if !found {
return nil, fmt.Errorf("Validator not found")
}
// check if the user has delegated tokens to the valset
del, found := sim.StakingKeeper().GetDelegation(ctx, delAddr, val)
if !found {
return nil, fmt.Errorf("user hasn't delegated tokens to the validator, %s", val.String())
}
totalBond := validator.TokensFromShares(del.GetShares()).TruncateInt()
if !totalBond.IsPositive() {
return nil, fmt.Errorf("%s is not present", sdk.DefaultBondDenom)
}
undelegationCoin := rand.Intn(int(totalBond.Int64()))
return &types.MsgUndelegateFromValidatorSet{
Delegator: delAddr.String(),
Coin: sdk.NewCoin(sdk.DefaultBondDenom, osmomath.NewInt(int64(undelegationCoin))),
}, nil
}
func RandomMsgReDelegateToValSet(k valsetkeeper.Keeper, sim *osmosimtypes.SimCtx, ctx sdk.Context) (*types.MsgRedelegateValidatorSet, error) {
// random delegator account
delegator := sim.RandomSimAccount()
delAddr := delegator.Address
// existing delegations
delegations, err := k.GetDelegationPreferences(ctx, delAddr.String())
if err != nil {
return nil, fmt.Errorf("no delegations found")
}
for _, dels := range delegations.Preferences {
val, err := sdk.ValAddressFromBech32(dels.ValOperAddress)
if err != nil {
return nil, fmt.Errorf("validator address not formatted")
}
if sim.StakingKeeper().HasReceivingRedelegation(ctx, delAddr, val) {
return nil, fmt.Errorf("receiving redelegation is not allowed for source validators")
}
if sim.StakingKeeper().HasMaxUnbondingDelegationEntries(ctx, delAddr, val) {
return nil, fmt.Errorf("keeper does have a max unbonding delegation entries")
}
// check if the user has delegated tokens to the valset
_, found := sim.StakingKeeper().GetDelegation(ctx, delAddr, val)
if !found {
return nil, fmt.Errorf("user hasn't delegated tokens to the validator, %s", val.String())
}
}
// new delegations to redelegate to
remainingWeight := osmomath.NewDec(1)
preferences, err := GetRandomValAndWeights(ctx, k, sim, remainingWeight)
if err != nil {
return nil, err
}
// check if redelegation is possible to new validators
for _, vals := range preferences {
val, err := sdk.ValAddressFromBech32(vals.ValOperAddress)
if err != nil {
return nil, fmt.Errorf("validator address not formatted")
}
if sim.StakingKeeper().HasMaxUnbondingDelegationEntries(ctx, delAddr, val) {
return nil, fmt.Errorf("keeper does have a max unbonding delegation entries")
}
if sim.StakingKeeper().HasReceivingRedelegation(ctx, delAddr, val) {
return nil, fmt.Errorf("receveing redelegation is not allowed for target validators")
}
}
return &types.MsgRedelegateValidatorSet{
Delegator: delAddr.String(),
Preferences: preferences,
}, nil
}
func RandomValidator(ctx sdk.Context, sim *osmosimtypes.SimCtx) *stakingtypes.Validator {
rand := sim.GetRand()
validators := sim.StakingKeeper().GetAllValidators(ctx)
if len(validators) == 0 {
return nil
}
return &validators[rand.Intn(len(validators))]
}
func GetRandomValAndWeights(ctx sdk.Context, k valsetkeeper.Keeper, sim *osmosimtypes.SimCtx, remainingWeight osmomath.Dec) ([]types.ValidatorPreference, error) {
var preferences []types.ValidatorPreference
// Generate random validators with random weights that sums to 1
for remainingWeight.IsPositive() {
randValidator := RandomValidator(ctx, sim)
if randValidator == nil {
return nil, fmt.Errorf("No validator")
}
randValue := sim.RandomDecAmount(remainingWeight)
remainingWeight = remainingWeight.Sub(randValue)
if !randValue.IsZero() {
preferences = append(preferences, types.ValidatorPreference{
ValOperAddress: randValidator.OperatorAddress,
Weight: randValue,
})
}
}
totalWeight := osmomath.ZeroDec()
// check if all the weights in preferences equal 1
for _, prefs := range preferences {
totalWeight = totalWeight.Add(prefs.Weight)
}
if !totalWeight.Equal(osmomath.OneDec()) {
return nil, fmt.Errorf("generated weights donot equal 1 got: %d", totalWeight)
}
return preferences, nil
}
func GetRandomDelegations(ctx sdk.Context, k valsetkeeper.Keeper, sim *osmosimtypes.SimCtx, delegatorAddr sdk.AccAddress) ([]types.ValidatorPreference, error) {
// Get Valset delegations
delegations, err := k.GetDelegationPreferences(ctx, delegatorAddr.String())
if err != nil {
return nil, fmt.Errorf("No delegations found")
}
return delegations.Preferences, err
}